Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
khach san » khach hang, thanh san
cua thong » cua thuong, cua khong, cua tong
manh toan » thanh toan, anh tuan, tinh toan
hanh ban » thanh ban, hang ban, hanh san
dan toan » van toan, dan than, xuan toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((hanh ban) or (khach san)) cua thong cong ((dan toan) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh ban) OR (khach san)) cua thong cong ((dan toan) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh ban) or (khach san)) cua thong cong ((dan toan) or (manh toan)) cao*.